Establishing secure connection…Loading editor…Preparing document…

Form W-7

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

Form W-7 — Application for Individual Taxpayer Identification Number (ITIN)

Applicant Name:   First used name or alias (if any):

1. Reason for submitting

Check the box that describes the primary reason for this application. Select all that apply.

2. Applicant identification information

Given Name (first name):   Middle Name:

Family Name (last name):

Date of birth:   Country of birth:   City of birth:

Gender:   Country(ies) of citizenship:

3. Tax return information (if applicable)

Is a U.S. federal tax return attached to this application?  

If attached, enter tax year:

4. Supporting documentation

Provide original documents or certified copies that support identity and foreign status. Indicate documents submitted (select all that apply).

5. Additional information

Certification

Under penalties of perjury, I declare that I have examined this application, including accompanying documentation, and to the best of my knowledge and belief it is true, correct, and complete. I further certify that I am not eligible to obtain a social security number and that the information provided is submitted for the purpose of obtaining an individual taxpayer identification number.

Applicant Printed Name:

Signature:

Date:

WARNING: The furnishing of false information in connection with this application may subject the applicant to penalties under applicable tax laws. The applicant authorizes the review of the supporting documents and information provided for the purpose of verifying identity and eligibility for an individual taxpayer identification number.

Enter text✕
Prepare your document for signing right on this page
  • 01 Edit the text and complete the fields
  • 02 Click Sign Now and on the next screen add recipients and signature fields in SignNow
  • 03 Start your free trial to sign and send your doc
Sign Now

What Form W-7 Is and who it serves

Form W-7, Application for IRS Individual Taxpayer Identification Number (ITIN), is the IRS form used to assign an identifying number to individuals who must file U.S. tax returns but are not eligible for a Social Security Number (SSN). Typical filers include nonresident aliens with U.S. tax filing requirements, U.S. resident and nonresident spouses/dependents, and certain noncitizen students, professors, and researchers. The W-7 is submitted with a federal income tax return unless an exception applies; the IRS issues the ITIN solely for tax-processing purposes and does not confer immigration or employment authorization.

Why filing Form W-7 matters

An ITIN lets the IRS process tax returns, issue refunds, and apply tax treaty benefits for individuals without an SSN. Accurate completion prevents processing delays, backup withholding, and incorrect tax reporting.

Why filing Form W-7 matters

Who typically completes Form W-7

Use Form W-7 when a taxpayer lacks an SSN and must substantiate U.S. tax filing or claim treaty benefits; follow IRS instructions closely to avoid rejections.

  • Individual taxpayers filing a U.S. return without an SSN for tax reporting or refund purposes.
  • Tax preparers and CPAs preparing returns for nonresident aliens, dependents, or spouses who need ITINs.
  • Certifying Acceptance Agents (CAAs) and payroll administrators assisting with document certification and submission.

Quick reference: Form W-7 essentials

Form name: Form W-7 (ITIN application)
Primary purpose: Obtain ITIN for federal tax processing
Issuing authority: Internal Revenue Service (IRS)
Key documents: Passport or certified ID copies
Filing methods: Mail, CAA, or IRS Taxpayer Assistance Center
Retention note: Keep copies per IRS retention rules

Step-by-step: complete and submit Form W-7

Follow these core steps to prepare and submit a correct W-7 application paired with required documentation.

  • 01
    Gather documents: Collect passport or certified ID and any proof supporting treaty/exemption claims.
  • 02
    Complete form: Fill W-7 using exact names and MM/DD/YYYY date format.
  • 03
    Attach return: Include the federal tax return unless you meet an IRS exception.
  • 04
    Submit: Mail to IRS, use a CAA, or visit an IRS TAC per instructions.

Configuring an online W-7 workflow

When using a document platform, set validation and authentication so the form mirrors IRS requirements and preserves evidence of signature and submission.

Field Configuration
Name field Auto-format capitalization; exact-match validation optional
Date field Enforce MM/DD/YYYY and block invalid dates
ID upload Accept PDF/JPG; require original or certified copies
Signer auth Email plus optional SMS code for signer attribution

Where and how to file your completed Form W-7

Choose the submission pathway that matches your documentation and convenience: mail, Certifying Acceptance Agent (CAA), or IRS Taxpayer Assistance Center (TAC).

  • Prepare package: Include W-7, tax return (if required), and original or certified ID documents.
  • Use a CAA: A CAA can certify documents, reducing need to send originals to the IRS.
  • Visit TAC: An IRS Taxpayer Assistance Center can verify identification in person.
  • Mail to IRS: Send package to the IRS address specified in form instructions.

Digital signing and file format considerations

Keep a tamper-evident signed copy and an audit trail that records signer identity, IP address, timestamps, and document history to support the application if the IRS requests verification.

  • File formats: PDF, Word DOCX, JPEG/PNG accepted for uploads
  • Integrations: Salesforce, Microsoft 365, NetSuite, Google Workspace supported
  • Authentication: Email, SMS codes, and advanced signer verification options

Key timing rules and filing deadlines

Timing depends on whether you file with a tax return or under an IRS exception; follow IRS deadlines to avoid refund or processing delays.

File with return:

Submit W-7 attached to your tax return by the return due date

Individual tax deadline:

Form 1040 due April 15 (standard filing deadline)

Extension rule:

File Form 4868 to extend return; W-7 must follow extension rules

Exceptions:

Certain exception codes allow separate W-7 submission without return

Processing time:

IRS processing varies; expect several weeks to months

Risks and penalties from incorrect W-7 or missing TIN

Backup withholding: 24% withholding if TIN missing or incorrect
Information return penalties: IRC §6721 penalties for incorrect TIN reporting
Refund delays: Incorrect W-7 details delay refunds and credits
Application rejection: Name or document mismatches can cause rejection
Identity verification: Failure to certify ID requires resubmission
Tax filing penalties: Late filing or payment penalties may still apply

Practical tips to avoid W-7 delays and rejections

Apply these practices to reduce processing time and the need to resend documents to the IRS.

Use a Certifying Acceptance Agent
A CAA can certify identity documents so you need not mail originals to the IRS; this lowers risk of document loss and speeds processing.
Match names exactly
Use the exact spelling and order from your passport or primary ID across form and attachments to avoid mismatches that trigger rejections.
Attach correct return or exception
Include the federal tax return or provide the specific IRS exception code; missing attachments are common reasons for rejection.
Keep copies and tracking
Retain certified copies and send mail with tracking; store a tamper-evident digital copy and the audit trail for proof of submission.

Real-world examples of when to use Form W-7

These typical scenarios show why individuals apply for an ITIN and how application flow differs by circumstance.

International student

A nonresident student receives U.S. scholarship income and must file a tax return

  • The student obtains a passport and certifies it with a CAA
  • The CAA certifies copies, the student attaches the return to Form W-7, and the IRS issues an ITIN so the refund can be processed.

Nonresident spouse

A nonresident spouse needs an ITIN to be claimed on a joint return

  • The taxpayer completes Form W-7 and attaches the couple's federal return
  • Using a CAA avoids sending originals, the IRS verifies documents, and the ITIN is assigned for tax reporting.

eSignature vendor comparison for handling Form W-7 submissions

Compare basic vendor pricing and common capabilities relevant to preparing, signing, and storing W-7 application packages. signNow is listed first per comparison standards.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial 7-day free trial, no credit card Varies by plan Varies by plan Yes, limited Yes, limited
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Common questions and practical answers about Form W-7

Answers to frequent W-7 questions that help avoid processing delays and ensure supporting documents meet IRS expectations.


Need help? Contact support

be ready to get more
Join over 28 million airSlate SignNow users
Sign Now
Company
Forms
Pricing
Resources
Knowledge base
Other Products
© 2026 airSlate Inc. All rights reserved.